Define Strap-ons Meaning

Strap-ons
strap on dildos that are worn by men with disfunctional penises, a woman in a lesbian couple, a woman penetrating a man's anal hole, a man having sex with more than one person, etc.

they are attached to harnesses

Dude, were gonna have a threesome tonight so im gonna bring one of my strap-ons so i can fuck both girls at once!
By Lilla
Strap One On
(For lesbians) To put on a strap-on dildo for either porking or packing purposes.

Hurry up and strap one on, bitch! I'm dying for a slam!
or
If we're going out tonight then wait a minute while I strap one on- I don't want anyone getting the wrong idea if they grope me.
By Liesa
One Strap
When someone at school has their bag on one shoulder, you pull it off their back and shout one strap.

BOB: *wears his backpack on one shoulder*
JEFF: *knocks bag off BOB's shoulder* ONE STRAP!
By Mabelle